Display screen with a grapical user interface



FIG. 1 is a front view of a first embodiment for a display screen with agraphical user interface;

FIG. 2 is a front view of a second embodiment for a display screen witha graphical user interface;

FIG. 3 is a front view of a third embodiment for a display screen with agraphical user interface; and,

FIG. 4 is a front view of a fourth embodiment for a display screen awith graphical user interface.

The broken line showing of the display screen and portions of thegraphical user interface is included for the purpose of illustratingportions of the article and forms no part of the claimed design.

CLAIM The ornamental design for a display screen with a graphical userinterface, as shown and described.